/**
* Execute this function on page_not_found.
* If the request is for an image file,
* resize the image.
*/
function image_resize_try_resizing()
{
// Require that visitor be logged in and has
// permission to create files
if (!AuthUser::isLoggedIn()) {
AuthUser::load();
}
if (!AuthUser::hasPermission('administrator,developer,editor')) {
return false;
}
// Check that gd library is available
if (!ImageResize::gd_available()) {
return false;
}
if (preg_match('#\\.(jpe?g|gif|png|wbmp)$#i', CURRENT_URI)) {
// If requested file appears to be an accepted format, create the new image
if (image_resize_scale(CURRENT_URI) && !DEBUG) {
// If Frog isn't debugging, it writes to a file; redirect to it
header('Location: ' . URL_PUBLIC . "/" . CURRENT_URI);
// Exit here to prevent a page not found message
exit;
}
}
}
private static function do_resize_to_max_side($src_fn, $resized_fn, $max_x, $max_y, $resize_type = RESIZE_CROP)
{
$convert = ImageResize::find_magick();
$magick_attempted = FALSE;
if ($convert && !ImageResize::$skip_magick) {
// try to do it with imagemagick
$magick_attempted = TRUE;
try {
return ImageResize::magick_resize_image($convert, $src_fn, $resized_fn, $max_x, $max_y, $resize_type);
} catch (CNException $magick_exc) {
Logger::log("ImageMagick failed to resize {$src_fn}; trying GD");
}
}
if (ImageResize::gd_available() && !ImageResize::$skip_gd) {
// we have gd installed
return ImageResize::gd_resize_image($src_fn, $resized_fn, $max_x, $max_y, $resize_type);
}
if ($magick_attempted) {
throw $magick_exc;
}
throw new CNException(MISSING_DEPENDENCY, "need to have either gd or imagemagick installed to resize images");
}
public function documentation()
{
$this->display('image_resize/views/documentation', array('gd_status' => ImageResize::gd_available(), 'mod_rewrite_status' => USE_MOD_REWRITE));
}